Dipotassium Hydrogen Phosphate Trihydrate
- Product Name: Dipotassium Hydrogen Phosphate Trihydrate
- Chemical Name (IUPAC): Potassium hydrogen phosphate trihydrate
- CAS No.: 16788-57-1
- Chemical Formula: K2HPO4·3H2O
- Form/Physical State: Crystalline powder
- Factroy Site: Lingwu, Yinchuan, Ningxia, China
- Price Inquiry: sales2@liwei-chem.com
- Manufacturer: Anhui Liwei Chemical Co.,Limited
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- Dipotassium Hydrogen Phosphate Trihydrate is a inorganic phosphate salt in crystalline form, commonly used in biopharmaceutical manufacturing, where precise pH control is required.
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HS Code |
437131 |
| Chemical Name | Dipotassium Hydrogen Phosphate Trihydrate |
| Chemical Formula | K2HPO4·3H2O |
| Molecular Weight | 228.22 g/mol |
| Appearance | White crystalline powder |
| Solubility In Water | Highly soluble |
| Cas Number | 16788-57-1 |
| Ph Of 1 Percent Solution | 8.5 – 9.6 |
| Melting Point | Decomposes on heating |
| Storage Conditions | Store in a cool, dry, and well-ventilated place |
| Uses | Buffer, fertilizer, food additive, laboratory reagent |
| Odor | Odorless |
| Ec Number | 240-671-2 |
As an accredited Dipotassium Hydrogen Phosphate Trihydrate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White HDPE drum containing 25 kg of Dipotassium Hydrogen Phosphate Trihydrate, securely sealed, labeled with product details, and hazard information. |
| Container Loading (20′ FCL) | Container Loading (20’ FCL) for Dipotassium Hydrogen Phosphate Trihydrate: 20 metric tons packed in 800 bags, 25 kg each, palletized. |
| Shipping | Dipotassium Hydrogen Phosphate Trihydrate is shipped in tightly sealed containers, typically polyethylene drums or bags, to protect from moisture and contamination. Shipments comply with regulations for non-hazardous chemicals. Store and transport in a cool, dry location, away from incompatible substances. Proper labeling and documentation accompany all shipments as per applicable standards. |
| Storage | Dipotassium Hydrogen Phosphate Trihydrate should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from moisture, acids, and incompatible substances. Protect from physical damage and direct sunlight. Avoid storing near sources of ignition. Ensure containers are properly labeled and keep away from food and beverages. Regularly check for leaks or spills and follow local regulations for chemical storage. |
| Shelf Life | Dipotassium Hydrogen Phosphate Trihydrate typically has a shelf life of 2–3 years when stored in a cool, dry, tightly sealed container. |
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Dipotassium hydrogen phosphate trihydrate serves a pivotal role in core sectors requiring pH modulation, buffering capacity, nutrient management, and stable phosphate sourcing. As a direct manufacturer, we prioritize accurate formulation support, compliance assurance, and traceable batch integration for each targeted downstream field. In processed food and beverage plants, this phosphate salt functions as a crucial buffer and emulsifier. Product developers rely on its predictable solubility and neutral taste profile when managing acid-base balance in dairy substitutes, non-alcoholic beverages, and certain confectionery stabilizations. Food technologists adjust inclusion rates based on specific regulatory requirements and desired mouthfeel, ensuring consistency across high-volume lines. Industry compliance standards Typical usage ratio Downstream process integration Final product types Chemical engineers utilize dipotassium hydrogen phosphate trihydrate in municipal and industrial water treatment facilities to manage phosphate requirements in corrosion inhibition protocols, especially for potable water systems. As a controlled phosphate donor, it aids stable orthophosphate residuals during distribution, maximizing system protection without exceeding legislative discharge limits. Dosing precision and continuous monitoring remain vital to ensure both compliance and asset integrity. Industry compliance standards Typical usage ratio Downstream process integration Final product types Pharmaceutical manufacturers rely on this raw material as a component in parenteral and oral medicinal preparations requiring pH control and isotonic adjustment. The high purity grade ensures compatibility for injectable saline, antibiotics, and oral rehydration salts. Dosing precision directly impacts bioavailability and stability of sensitive actives, making batch control and compendial testing critical during and after buffer preparation. Industry compliance standards Typical usage ratio Downstream process integration Final product types Agricultural input producers use dipotassium hydrogen phosphate trihydrate as a primary potassium and phosphorus source in liquid and solid fertilizer blends. Its ready solubility helps establish accurate NPK ratios, particularly in greenhouse, hydroponic, and high-value specialty crop sectors where nutrient delivery and root zone pH require tight management. Quality control in blending and particle sizing supports even distribution to ensure predictable field performance. Industry compliance standards Typical usage ratio
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5. Laboratory Reagent and Diagnostic Kit ProductionProducers of laboratory reagents and diagnostic chemicals integrate this material for its defined buffering and pH stabilization attributes. Its role is crucial in the preparation of reference solutions, enzyme assays, and biochemical test kits, where consistency and traceability underpin accuracy in clinical diagnostics and quality control laboratories. Stringent lot control and full analytical traceability provide end-users with dependable assay performance and conformance to international laboratory standards. Industry compliance standards
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6. Industrial Fermentation and BioprocessingFermentation process engineers often specify dipotassium hydrogen phosphate trihydrate as a buffering and phosphorus supplement in microbial and cell culture media. It supports balanced microbial metabolism and controls pH throughout nutrient up-take phases, directly influencing yield, selectivity, and downstream purification requirements for critical industrial bioproducts. Customization of buffer input ensures compatibility with organism-specific kinetics and fermenter system designs. Industry compliance standards
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Competitive Dipotassium Hydrogen Phosphate Trihydrate prices that fit your budget—flexible terms and customized quotes for every order.
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- Dipotassium Hydrogen Phosphate Trihydrate is manufactured under an ISO 9001 quality system and complies with relevant regulatory requirements.
- COA, SDS/MSDS, and related certificates are available upon request. For certificate requests or inquiries, contact: sales2@liwei-chem.com.
Dipotassium Hydrogen Phosphate Trihydrate: A Closer Look from Our Factory Floor
Understanding the Role of Dipotassium Hydrogen Phosphate Trihydrate in Industry
Manufacturing chemicals demands precision, reliability, and a hands-on understanding of the unique properties that drive quality results. As a producer of Dipotassium Hydrogen Phosphate Trihydrate, we work directly with raw materials, control every step of the process, and watch closely as each batch comes together. The chemical formula K2HPO4·3H2O looks routine, but subtle aspects make this compound a workhorse across customer applications.
Our experience tells us this product doesn’t just fill a spot on the shelf; it anchors a variety of solutions, particularly in food, agriculture, laboratory reagents, and water treatment. In every application, it’s not just purity that matters, but also the right hydration level, solubility profile, and consistency of supply. Dipotassium Hydrogen Phosphate Trihydrate, with three waters of hydration, delivers a chemistry distinct from the anhydrous or dihydrate versions that often circulate in the trade.
From Raw Materials to Finished Product: Confidence in Purity
On our shop floor, every step – from sourcing high-grade phosphate rock to final crystallization – shapes the final quality. We utilize natural mineral feedstocks refined using tried-and-true recrystallization, filtration, and drying methods. Each lot is tested in-house for purity (typically above 98%), consistency, and conformity to industry benchmarks. Trace metallic impurities receive careful monitoring, as these can sabotage performance in food processing or pharma synthesis.
We know that hydrous forms of phosphate salts often attract attention for their reliable solubility. Trihydrate offers a perfect balance: soluble enough to dissolve rapidly in water, leaving no stubborn residue, but not so hygroscopic as to cake or harden in typical warehouse conditions. Customers operating continuous feed dosing systems appreciate the fine, free-flowing crystalline form, which keeps dosing precise even through long shifts.
Why Trihydrate? Choosing the Hydration Level that Works Best
Industry offers several forms of potassium phosphate – anhydrous, monohydrate, dihydrate, and trihydrate. From direct conversations with downstream users, we recognize subtle needs drive the choice. The trihydrate holds advantages for users who need fast dissolution and a predictable potassium to phosphate ratio. Unlike anhydrous or monohydrate forms, which may vary in moisture content and release heat upon dissolution, trihydrate dissolves smoothly and reproducibly.
For teams working in food or beverage sectors, hydration matters. Trihydrate minimizes the dust risk associated with spraying fine powders into mixing tanks, and it gives predictable results in recipes for baking powders, processed cheeses, or electrolytes for sports drinks. The extra water of hydration acts as a built-in buffer, helping manufacturers hit targets for consistency and batch reproducibility.
Insights on Performance in Food and Beverage Manufacturing
As a direct manufacturer, we supply food processors who look for more than laboratory grades. In bread improver blends, Dipotassium Hydrogen Phosphate Trihydrate supports even leavening and dough strengthening thanks to its controlled release of phosphate. In powdered drink mixes and mineral fortification, the compound provides a mild-tasting, clean potassium source that integrates easily with vitamins and other minerals.
We field frequent queries on interactions with calcium, magnesium, and proteins in complex food matrices. Trihydrate form stands up to repeat use in dairy process lines, with less caking in storage silos and more predictable dissolution in blending tanks. Because our process limits trace contamination, downstream risk of flavor off-notes or unwanted haze formation stays low.
We also address shelf life challenges. Compared to the more hygroscopic monohydrate or raw potassium phosphate, trihydrate resists lumping and doesn’t harden in normal humidity. We regularly store finished goods in bulk for extended periods and run real-world shelf simulations to back up these claims. End users find they can move bags or silos of product without breaking up solid masses, which saves time and reduces operator complaints.
Pharmaceutical and Laboratory Applications: Why Quality Matters More Than Ever
Dipotassium Hydrogen Phosphate Trihydrate has a crucial footprint in buffer solutions, cell culture media, and reagent preparations. Our facility supplies laboratories and pharmaceutical plants, where batch-to-batch variation could jeopardize test accuracy. At this level, low heavy metal content, freedom from ammonia or chloride contamination, and traceability all serve as non-negotiables.
We receive feedback that the trihydrate consistently achieves target pH values in select buffer systems without the need for excessive calibration. This is not accidental; it comes from careful stepwise crystallization and experienced process control. Analytical teams count on our certificates of analysis reflecting true, on-the-spot batch samples, not hypothetical numbers. Our open dialogue with customers helps pinpoint any issues early, allowing rapid correction and continuous improvement instead of finger-pointing down the supply chain.
Crop Nutrition and Fertigation: Supporting Precision Agriculture
On the agriculture side, customers prize this phosphate salt for drip irrigation, foliar sprays, and hydroponic feeds. Crops demand both macronutrients (potassium and phosphorus) in a fully water-soluble form. In our hands, batches show minimal dust, resist caking, and flow easily in blending lines – factors agricultural handlers notice immediately.
The trihydrate formula reduces risk in fertigation, as it won’t clog nozzles or settle out in reservoir tanks over time. Using the right hydration reduces mixing errors that occur if farm staff try to compensate for hygroscopic, hard-to-handle anhydrous salts. Accurate nutrition means less wasted input, more even application, and stronger crops with traceable lot records in case of audit or recalls.
Differences from Other Potassium Phosphate Products
Plenty of potassium phosphate products crowd the catalog listings, each suited to specific use cases. The choice between trihydrate and anhydrous forms affects everything from solution mixing times to final batch quality. As seasoned producers, we've learned that anhydrous K2HPO4 can absorb water from air, forming solid masses in open storage. Some customers try to save upfront costs, only to spend more time breaking clumped product apart.
Monohydrate and dihydrate grades sometimes arrive in the market as off-spec or recycled byproducts with variable potassium content. This inconsistency forces production managers to recalibrate dosing, blending, and pH adjustment, especially in high-precision environments like pharmaceuticals or high-throughput food plants. In contrast, our trihydrate delivers potassium and phosphate right where they are needed, in proportions that match international reference standards and regulatory requirements.
Comparison goes beyond physical form. For high-throughput liquid blending systems, trihydrate integrates readily, shortening the time and labor needed per batch. Operators no longer have to pause production to break up clumps or clear feed lines – something we hear about often from clients switching over from lower-quality grades.
Packaging, Handling, and Real-World Usability
Daily work with chemical powders reveals details outsiders often miss. Trihydrate crystals, as we produce them, pack efficiently, resist static cling, and rarely dust up the shop the way some fine grades do. Our crew loads product into lined 25kg bags, securing each for long-haul shipment or warehouse stacking without premature hardening.
Repeat experience informs our bagging techniques and storage recommendations. Many customers operate in humid or fluctuating temperature environments; we listen carefully and trial-packaging approaches that balance protection with convenience. Because we produce from scratch, we can respond to quality feedback by tuning process parameters, not just passing on complaints to intermediaries.
Traceability begins at the start: ore to intermediate solution, to final crystallization and finished bag. Serial lot tracking, real-time inventory monitoring, and sample archiving let our batch records answer regulatory, food safety, or supply chain audit requests with total transparency.
Environmental and Safety Concerns: Real Challenges, Practical Solutions
Chemical manufacturing draws scrutiny on grounds of safety and environmental impact. We prioritize closed-loop systems to recover spent solutions and minimize losses. The trihydrate manufacturing process gives us an opportunity to optimize energy use, since drying conditions matter for the stability of the final crystals. Every kilogram handled properly means less risk of spillage, worker exposure, or unnecessary disposal.
We run our plant with direct oversight, conducting hazard analyses and process risk assessments based on first-hand production knowledge. Employee training stands as a non-negotiable, since improper loading or storage of phosphate products can create dust or slip hazards if left unchecked. Workers in our factory handle chemical bags equipped with gloves, masks, and dedicated ventilation, reflecting best practice for both safety and product integrity.
Several industries depend on non-contaminated, precisely-formulated ingredients – and phosphate salts count among the most heavily regulated, from farm to pharma. Regular audits, robust documentation, and nimble adjustment to regulation changes all grow from our active engagement at the production floor level, not from compliance checklists alone.
Continuous Improvement Driven by Factory Feedback
We believe a quality product emerges only when every step – from raw material choice to finished packaging – receives honest scrutiny. In practice, this means troubleshooting batch anomalies, verifying solubility curves, and pulling aside lots for off-line testing when any variable shifts. Our teams exchange ideas on production line tweaks, not just for efficiency, but also for customer usability.
Input from the field shapes our daily work. End users struggling with inconsistent dissolution or unexpected residues receive first-hand process analysis from our in-house experts. Instead of vague reassurances, we back up remediation with process adjustments or alternative lot shipments to keep customer lines running.
This depth of engagement bridges the gap between factory and field and delivers product consistency season after season, order after order. We maintain a direct link to on-site end users – bakers, lab chemists, fertilizer applicators – whose feedback exposes pain points, driving plant upgrades and product refinement cycles.
Our Commitment: Integrity, Consistency, and Practical Value
Producing Dipotassium Hydrogen Phosphate Trihydrate involves more than technical standards. For us, the process is about solving customer problems in real-world settings. Every enhancement to solubility, packing, or bulk handling saves downtime, increases safety, and drives value where it matters – on the line.
We draw insight from seasoned operators, on-site audits, and hands-on trial batches. This approach underpins our product integrity and simple, predictable performance. And, by keeping all processing steps in-house, we control factors like heavy metal content, micronutrient contamination, and residue formation, so plant managers and quality teams get repeatable, reliable results.
Dipotassium Hydrogen Phosphate Trihydrate, as we see it, stands as more than a commodity – it’s a partnership tool for technical users. It opens the door to plant-wide efficiency, process safety, and better outcomes, batch after batch. Our team’s accumulated experience, daily vigilance, and real engagement keep this product working for industries that demand more than just theoretical purity.
